It is not kitchen-sinky if we understand a kitchen-sink not simply [as] a language very loaded with various grammatical and phonological features but only a language where they are only for their own sake and don't make a functional system together.

"How to Read a Word" includes quite a bit of related material, including a slightly kitchen-sinky collection of "word stories," investigating words such as wordhoard, skulduggery, and yes, lexicographer; […]

Of or pertaining to the kitchen sink drama; depicting social realities in an unstylized and direct manner.

"Here was a kid who was imagining things and inventing things and none of this was odd to her, mum and dad being junkies. I didn't want to comment; I just present the story. And I didn't want to be too kitchen-sinky, because it's a heightened reality."

"He takes this seedy little story of seedy little people in seedy little rooms, and he makes it big and operatic and grandiose. I love that. It could have all been documentary-like or a bit kitchen sinky, and all rough and tough. […]